27825920

素因数分解:

$2^8\times 5^1\times {\mathrm{21739}}^1$

素因数の和:21760

約数の個数: 36

約数和(自身を含む): 66654840

約数和(自身を除く): 38828920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 21739, 43478, 86956, 108695, 173912, 217390, 347824, 434780, 695648, 869560, 1391296, 1739120, 2782592, 3478240, 5565184, 6956480, 13912960, 27825920]

約数ペア:

[(1, 27825920), (2, 13912960), (4, 6956480), (5, 5565184), (8, 3478240), (10, 2782592), (16, 1739120), (20, 1391296), (32, 869560), (40, 695648), (64, 434780), (80, 347824), (128, 217390), (160, 173912), (256, 108695), (320, 86956), (640, 43478), (1280, 21739)]